package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.BaseContext;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;
import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;


@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;//逻辑层
    //管理登录
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request,@RequestBody Employee employee){
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());

        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);

        if (emp == null) {
            return R.error("登录失败");
        }
        if (!emp.getPassword().equals(password)) {
            return R.error("登录失败");
        }
        if(emp.getStatus() == 0){
            return R.error("账号已禁用");
        }
        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);
    }
    //管理退出
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");

    }
    //添加员工
    @PostMapping
    public R<String> addEmployee(@RequestBody Employee employee){
        log.info("新增员工，员工信息：{}",employee.toString());

        //设置初始密码123456，需要进行md5加密处理
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());
//        Long empId = (Long) request.getSession().getAttribute("employee");
//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);
        employeeService.save(employee);
        return R.success("新增员工成功");
    }
    //员工分页查询
    @GetMapping("/page")
    public R<Page> getAll(int page,int pageSize, String name){
        log.info("page = {},pageSize = {},name = {}" ,page,pageSize,name);
        Page<Employee> page1 = new Page<>(page, pageSize);
        //创建查询包装器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        //过滤
        queryWrapper.like(StringUtils.isNotEmpty(name), Employee::getName,name);
        //排序
        queryWrapper.orderByDesc(Employee::getUpdateTime);

        //执行查询
        employeeService.page(page1,queryWrapper);
        return R.success(page1);
    }
    @PutMapping//禁用员工
    private R<String> update(@RequestBody Employee employee){
        log.info(employee.toString());
//        Long empId = (Long) request.getSession().getAttribute("employee");
        if (BaseContext.getCurrentId().equals(employee.getId()) &&employee.getStatus() == 0) {
            return R.error("不能禁用自己");
        }
//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser(empId);
        employeeService.updateById(employee);
        return R.success("员工信息修改成功");

    }

    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id){
        log.info("根据id查询员工信息");
        Employee byId = employeeService.getById(id);
        if (byId != null) {
            return R.success(byId);

        }
        return R.error("没有查询对应的员工信息");
    }
    /**
     * 根据id修改员工信息
     * @param employee
     * @return
     */
   /* @PutMapping("/{id}")
    public R<String> updateByID(HttpServletRequest request,@RequestBody Employee employee){
        log.info(employee.toString());

        Long empId = (Long)request.getSession().getAttribute("employee");

        employee.setUpdateTime(LocalDateTime.now());
        employee.setUpdateUser(empId);
        employeeService.updateById(employee);

        return R.success("员工信息修改成功");
    }*/













}
